The Real Housewives Of Orange County are back with season 12. The cast includes, Vicki Gunvalson, Tamra Judge, Lydia McLaughlin, Shannon Beador, Meghan King Edmonds, Kelly Dodd and newcomer Peggy Sulahian. Guest of the season – Gretchen Rossi, Peggy Tanous and Lizzie Rovsek.

In this preview for the dinosaur series, Lydia McLaughlin and Shannon Beador face off.